CN110510726A - It is a kind of using coal, organic matter as the waste water of raw material, sludge treating system and method - Google Patents
It is a kind of using coal, organic matter as the waste water of raw material, sludge treating system and method Download PDFInfo
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- CN110510726A CN110510726A CN201910698680.1A CN201910698680A CN110510726A CN 110510726 A CN110510726 A CN 110510726A CN 201910698680 A CN201910698680 A CN 201910698680A CN 110510726 A CN110510726 A CN 110510726A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/727—Treatment of water, waste water, or sewage by oxidation using pure oxygen or oxygen rich gas
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/06—Treatment of sludge; Devices therefor by oxidation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/10—Energy recovery
Abstract
The present invention relates to a kind of using coal, organic matter as the waste water of raw material, sludge treating system comprising: coal organic admixture material pretreatment unit；Fluid pressurization unit；Oxygen supply unit；Supercritical water oxidation unit: including overcritical water oxidization reactor, the liquid inlet of overcritical water oxidization reactor connects the coal organic matter mixing liquid outlet of the coal organic admixture material pretreatment unit, first oxygen intake and liquid inlet are connected in overcritical water oxidization reactor after converging, and second oxygen intake is connected in overcritical water oxidization reactor after converging with waste water/sludge inlet；Evaporative crystallization unit；Heat reuse unit；Gas-liquid separation unit；UTILIZATION OF VESIDUAL HEAT IN unit.It is of the invention using coal, organic matter as the waste water of raw material, sludge treating system and technique are applied widely, high efficiency, no pollution discharge, the energy and resource reclaim can be achieved at the same time, especially suitable for the processing of trade effluent, sludge, high concentrated organic wastewater and dangerous waste.
Description
Technical field
The invention belongs to clean coal utilizations and dangerous waste innoxious, recycling treatment field, it is especially a kind of with coal, it is organic
Object is waste water, sludge treating system and the method for raw material.
Background technique
Traditional coal utilization form is mostly aerial normal pressure burning, and this combustion type can not only discharge largely
Nitrogen oxides, sulfur oxide gas cause the serious pollution of air, cause serious haze, and the discharge of this combustion type
High-temperature gas has carried away a large amount of heat, and capacity usage ratio is low, the stringent control of environment and with the high cost of vent gas treatment at
For the appearance for forcing new combustion technology.
Still further aspect, Industrial Waste Water Treatments field highlight minimizing for many years, but cause recycling, recovery energy
The missing of technology, a large amount of concentrating spent liquors of generation become dangerous waste without effectively being handled, and what is particularly pointed out here has refining
Change waste water, fermentation mother liquor, pesticide waste liquid, pharmacy waste residue dyeing waste water, ability only has discharge amount at the receipts of hazardous waste center at present
20%, 80% or more waste liquid is in arranges edge steathily, and government lacks available processing means to be handled.
Industrial sludge, municipal sludge conventional process mode mainly by dehydration, filled after desiccation, burn.It fills out
The disposal options buried not only land occupation, in addition brings the pollution hidden trouble of underground water, has been command by and has forbidden, and the place burned
Reason technology can not only consume a large amount of energy, also have air pollution, and processing cost per ton is up to 500 yuan or more.
Therefore, it is necessary to seek a kind of more economical, more environmentally friendly process for comprehensively treating sewage.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of applied widely, high efficiency, no pollution row
It puts, the energy and resource reclaim can be achieved at the same time, especially suitable for the processing of trade effluent, sludge, high concentrated organic wastewater and dangerous waste
It is a kind of using coal, organic matter as the waste water of raw material, sewage sludge harmlessness recycling treatment system and technique.
The present invention solves its technical problem and is achieved through the following technical solutions:
It is a kind of using coal, organic matter as the waste water of raw material, sludge treating system, it is characterised in that: include:
1) coal organic admixture material pretreatment unit: including coal crushing grinding device, modifying device, modifying device setting
The outlet of coal organic matter mixing liquid；
2) fluid pressurization unit: including coal mixing liquid compress cell and waste water/sludge compress cell；Coal mixing liquid increases
Pressing unit includes the first booster pump, heat exchanger and electric heater, and waste water/sludge compress cell includes the second booster pump；
3) oxygen supply unit: including sequentially connected liquid oxygen storage tank, liquid oxygen booster pump, air temperature heat exchanger, oxygen buffering
Tank；
4) supercritical water oxidation unit: including overcritical water oxidization reactor, the of overcritical water oxidization reactor
One oxygen intake, the second oxygen intake connect the oxygen surge tank oxygen outlet of the oxygen supply unit；Supercritical water oxidation
Waste water/sludge inlet of reactor connects the second booster pump of the fluid pressurization unit；The liquid of overcritical water oxidization reactor
Body entrance connects the coal organic matter mixing liquid outlet of the coal organic admixture material pretreatment unit, and first oxygen enters
Mouth is connected in overcritical water oxidization reactor after converging with liquid inlet, second oxygen intake and waste water/sludge inlet
It is connected in overcritical water oxidization reactor after converging；
5) evaporative crystallization unit: including bottom surge tank and multi-stage evaporator；
6) heat reuse unit: the high-temperature steam outlet of overcritical water oxidization reactor connects the hot fluid of the heat exchanger
Entrance；
7) gas-liquid separation unit: including gas-liquid separator, the hot fluid outlet ports of the heat exchanger connect gas-liquid separator；
8) UTILIZATION OF VESIDUAL HEAT IN unit: the steam (vapor) outlet of gas-liquid separation unit connects steam reclamation set.
It is a kind of using coal, organic matter as the waste water of raw material, method for sludge treatment comprising following steps:
1) material pre-processes: by the mixing of coal, organic matter, highly concentrated waste liquid that weight fraction ratio is 5-10:10-20:70-85
Afterwards by broken, grinding, it is quenched after form uniformly mixed coal organic matter mixing liquid；
2) liquid pressure increasing heat-exchanging: pretreated coal organic matter mixing liquid is supercharged to 22- by the first booster pump
Heat exchanger is delivered to after 30Mpa, waste water/sludge is supercharged to after 22-30Mpa by the second booster pump and is delivered to overcritical water oxygen
Change reactor；
3) electric heating: before supercritical water oxidation igniting, coal organic matter mixing liquid is carried out using electric heater
It heats, electric heater stops heating after stable reaction；
4) oxygen supply: liquid oxygen is after liquid oxygen storage tank, liquid oxygen booster pump, air temperature heat exchanger, oxygen surge tank are sequentially connected in series
It is connected with the first oxygen intake of overcritical water oxidization reactor, the second oxygen intake, the first oxygen intake flow and coal are organic
Object mixing liquid flow is chain, and the second oxygen intake flow and waste water/mud discharge are chain, guarantees that oxygen supply amount is that coal is organic
Object mixing liquid, waste water/sludge material complete oxidation are 1-3 times of CO2 and water oxygen demand；
5) supercritical water oxidation: using the evaporation wall type overcritical water oxidization reactor of multilayer torch firing structure burner,
The oxygen and coal organic matter mixing liquid of first oxygen intake are sprayed from internal layer, first quickly anti-in overcritical water oxidization reactor
Supercritical water hot flame should be formed, while the oxygen of the second oxygen intake and waste water/sludge are sprayed into from outer layer, in supercritical water hot flame
In oxidation reaction continuously and healthily；
6) evaporative crystallization: the high-temp liquid of the bottom discharge of overcritical water oxidization reactor passes through partially liq gas after decompression
Change, remaining dope carries out multistage evaporation using gasification steam, and salt is finally discharged in the form of solid salt；
7) it exchanges heat: the thermal fluid inlet of the high-temperature steam outlet of overcritical water oxidization reactor connection heat exchanger, using super
400-500 DEG C of high-temperature steam of critical oxidation reaction output carries out the heating of coal/organic matter mixing liquid, to guarantee entire
From progress is maintained, the cold fluid outlet temperature of heat exchanger is controlled at 200-300 DEG C for reaction；
8) gas-liquid separation: the high-temperature steam that overcritical water oxidization reactor comes out forms biphase gas and liquid flow after heat exchange
Body, the gas-liquid two-phase fluid pass through the available steam of gas-liquid separator and hot water, can carry out UTILIZATION OF VESIDUAL HEAT IN；
9) UTILIZATION OF VESIDUAL HEAT IN: according to the quality of steam and quantity of output, can carry out generating electricity/for heat utilization.
Moreover, the organic matter is one or more kinds of combinations of biomass, petroleum, organic solution or organic solvent.
Moreover, the coal of the pretreated coal organic matter mixing liquid and the mass content of organic matter are 2%-75%.
Moreover, the overcritical water oxidization reactor is the evaporation wall type reactor of multilayer torch firing structure.
Moreover, the gas outlet temperature control of the overcritical water oxidization reactor is at 375-600 DEG C, liquid outlet is controlled
At 100-350 DEG C.
The advantages and benefits of the present invention are:
1, waste water of the present invention, sewage sludge harmlessness recycling treatment system and method, not only realize the clean utilization of coal,
And it is suitable for a variety of sewage treatments, sludge, biomass, waste oil, solvent slop, concentrating spent liquor etc. can be handled simultaneously；After processing
Product is carbon dioxide, water and inorganic salts, will not generate secondary pollution；The heat generated in the process not only meets system itself
With heat, and waste heat is used to heat, cooling supply and power generation.
2, waste water of the present invention, sewage sludge harmlessness recycling treatment system and method, it is anti-to solve existing supercritical water oxidation
Answer the following problem of device: when waste water COD concentration is too low, reaction is unstable in the burner of reactor, and conversion zone temperature is too low,
It even will cause the suspension of reaction, it is therefore necessary to preheat to sewage, corrode sexual element due to containing in sewage, at high temperature pole
The burn into damage for easily causing instrument, valve, influences system whole service life and operation stability, coal organic matter of the invention
Mixing liquid, wherein organic matter can realize adjusting material function, so that the reaction of the sewage of different COD value types in the reactor becomes
It obtains controllably, has adjusted reaction temperature, the ratio of liquid phase in reaction product, to reduce reaction kettle and instrument thereon, valve
The difficulty of door type selecting.
3, waste water of the present invention, sewage sludge harmlessness recycling treatment system and method, applied widely, high efficiency, no pollution
It discharges, the energy and resource reclaim can be achieved at the same time, at trade effluent, sludge, high concentrated organic wastewater and dangerous waste
Reason.
Detailed description of the invention
Fig. 1 is system schematic of the invention；
Fig. 2 is the evaporation wall type overcritical water oxidization reactor schematic diagram of multilayer torch firing of the invention.
Appended drawing reference
1- oxygen and coal organic matter mixing liquid entrance, 2- central burner nozzle, 3- outer layer burner, 4- reactor shell, 5- oxygen
Gas and sewage/mud mixture entrance.
Specific embodiment
Below by specific embodiment, the invention will be further described, and it is not limit that following embodiment, which is descriptive,
Qualitatively, this does not limit the scope of protection of the present invention.
It is a kind of using coal, organic matter as the waste water of raw material, sludge treating system, as shown in Figure 1, comprising:
1) coal organic admixture material pretreatment unit: including coal crushing grinding device, modifying device, modifying device is to adjust
Matter pond, setting coal organic matter mixing liquid export；Coal crushing grinding device includes hammer mill and HGM80 ore super fine powder
Machine.
2) fluid pressurization unit: including coal mixing liquid compress cell and waste water/sludge compress cell；Coal mixing liquid increases
Pressing unit includes the first booster pump, heat exchanger and electric heater, and waste water/sludge compress cell includes the second booster pump；
3) oxygen supply unit: including sequentially connected liquid oxygen storage tank, liquid oxygen booster pump, air temperature heat exchanger, oxygen buffering
Tank；
4) supercritical water oxidation unit: including overcritical water oxidization reactor, the of overcritical water oxidization reactor
One oxygen intake, the second oxygen intake connect the oxygen surge tank oxygen outlet of the oxygen supply unit；Supercritical water oxidation
Waste water/sludge inlet of reactor connects the second booster pump of the fluid pressurization unit；The liquid of overcritical water oxidization reactor
Body entrance connects the coal organic matter mixing liquid outlet of the coal organic admixture material pretreatment unit, and first oxygen enters
Mouth is connected in overcritical water oxidization reactor after converging with liquid inlet, second oxygen intake and waste water/sludge inlet
It is connected in overcritical water oxidization reactor after converging；
As shown in Fig. 2, overcritical water oxidization reactor uses the evaporation wall type overcritical water oxidization reactor of multilayer torch firing,
Its 4 upper end of reactor shell is provided with multilayer burner, and including most interior central burner nozzle 2 and at least one outer layer burner 3, center is burnt
Mouth is formed with oxygen and coal organic matter mixing liquid entrance 1, and the burner of outer layer is formed with oxygen and sewage/mud mixture entrance 5.The
The oxygen and coal organic matter mixing liquid of one oxygen intake are sprayed from central burner nozzle, in overcritical water oxidization reactor quickly first
Reaction forms supercritical water hot flame, while the oxygen of the second oxygen intake and waste water/sludge are sprayed into from outer layer burner, overcritical
Oxidation reaction continuously and healthily in hydro-thermal flame.
5) evaporative crystallization unit: including bottom surge tank and multi-stage evaporator；
6) heat reuse unit: the high-temperature steam outlet of overcritical water oxidization reactor connects the hot fluid of the heat exchanger
Entrance；
7) gas-liquid separation unit: including gas-liquid separator, the hot fluid outlet ports of the heat exchanger connect gas-liquid separator；
8) UTILIZATION OF VESIDUAL HEAT IN unit: the steam (vapor) outlet of gas-liquid separation unit connects steam reclamation set.
It is a kind of using coal, organic matter as the waste water of raw material, method for sludge treatment comprising following steps:
1) material pre-processes: by the mixing of coal, organic matter, highly concentrated waste liquid that weight fraction ratio is 5-10:10-20:70-85
Afterwards by broken, grinding, it is quenched after form uniformly mixed coal organic matter mixing liquid, adjusting material uses lime or macromolecule
Flocculant；Use coal, ethanol solution, VC production fermentation mother liquor (ten thousand mg/L of COD:30) ratio for 5:10:85) in the present embodiment,
Liquid pressure increasing heat-exchanging: pretreated coal organic matter mixing liquid is delivered to after being supercharged to 22-30Mpa by the first booster pump
Heat exchanger, waste water/sludge are delivered to overcritical water oxidization reactor after being supercharged to 22-30Mpa by the second booster pump.
3) electric heating: before supercritical water oxidation igniting, coal organic matter mixing liquid is carried out using electric heater
375 DEG C are heated to, electric heater stops heating after stable reaction；Heating unit is simple, easily-controllable, is not necessarily to long-distance transmission pipeline,
Reduce instrument, the type selecting cost of valve.
4) oxygen supply: liquid oxygen is after liquid oxygen storage tank, liquid oxygen booster pump, air temperature heat exchanger, oxygen surge tank are sequentially connected in series
It is connected with the first oxygen intake of overcritical water oxidization reactor, the second oxygen intake, the first oxygen intake flow and coal are organic
Object mixing liquid flow is chain, and the second oxygen intake flow and waste water/mud discharge are chain, guarantees that oxygen supply amount is that coal is organic
Object mixing liquid, waste water/sludge material complete oxidation are 1-3 times of CO2 and water oxygen demand；
5) supercritical water oxidation: using the evaporation wall type overcritical water oxidization reactor of multilayer torch firing, the first oxygen
The oxygen and coal organic matter mixing liquid of entrance are sprayed from internal layer, and the first fast reaction in overcritical water oxidization reactor forms super
Critical hot flame, while the oxygen of the second oxygen intake and waste water/sludge are sprayed into from outer layer, are continued in supercritical water hot flame fast
Fast oxidation reaction；
6) evaporative crystallization: the high-temp liquid of the bottom discharge of overcritical water oxidization reactor passes through partially liq gas after decompression
Change, remaining dope carries out multistage evaporation using gasification steam, and salt is finally discharged in the form of solid salt；
7) it exchanges heat: the thermal fluid inlet of the high-temperature steam outlet of overcritical water oxidization reactor connection heat exchanger, using super
400-500 DEG C of high-temperature steam of critical oxidation reaction output carries out the heating of coal/organic matter mixing liquid, to guarantee entire
From progress is maintained, the cold fluid outlet temperature of heat exchanger is controlled at 200-300 DEG C for reaction；
8) gas-liquid separation: the high-temperature steam that overcritical water oxidization reactor comes out forms biphase gas and liquid flow after heat exchange
Body, the gas-liquid two-phase fluid pass through the available steam of gas-liquid separator and hot water, can carry out UTILIZATION OF VESIDUAL HEAT IN；
9) UTILIZATION OF VESIDUAL HEAT IN: according to the quality of steam and quantity of output, can carry out generating electricity/for heat utilization.
Organic matter be biomass, organic solution or organic solvent, methanol, ethyl alcohol, propyl alcohol, butanol, ethylene glycol, propylene glycol,
One of petroleum, gasoline, kerosene, diesel oil or more than one mixture combination.Pretreated coal organic matter mixing liquid
Coal and organic matter mass content be 2%-75%.Overcritical water oxidization reactor is that the evaporation wall type of multilayer torch firing is overcritical
Water oxidation reactor.At 375-600 DEG C, liquid outlet is controlled for the high-temperature steam outlet temperature control of overcritical water oxidization reactor
At 100-350 DEG C.
Although disclosing the embodiment of the present invention and attached drawing for the purpose of illustration, those skilled in the art can be managed
Solution: do not departing from the present invention and spirit and scope of the appended claims in, various substitutions, changes and modifications be all it is possible,
Therefore, the scope of the present invention is not limited to the embodiment and attached drawing disclosure of that.
Claims (6)
1. a kind of using coal, organic matter as the waste water of raw material, sludge treating system, it is characterised in that: include:
1) coal organic admixture material pretreatment unit: including coal crushing grinding device, modifying device, modifying device setting coal has
The outlet of machine object mixing liquid；
2) fluid pressurization unit: including coal mixing liquid compress cell and waste water/sludge compress cell；The pressurization of coal mixing liquid is single
Member includes the first booster pump, heat exchanger and electric heater, and waste water/sludge compress cell includes the second booster pump；
3) oxygen supply unit: including sequentially connected liquid oxygen storage tank, liquid oxygen booster pump, air temperature heat exchanger, oxygen surge tank；
4) supercritical water oxidation unit: including overcritical water oxidization reactor, the first oxygen of overcritical water oxidization reactor
Gas entrance, the second oxygen intake connect the oxygen surge tank oxygen outlet of the oxygen supply unit；Supercritical water oxidation
Waste water/sludge inlet of device connects the second booster pump of the fluid pressurization unit；The liquid of overcritical water oxidization reactor enters
Mouthful connect the coal organic matter mixing liquid outlet of the coal organic admixture material pretreatment unit, first oxygen intake with
Liquid inlet is connected in overcritical water oxidization reactor after converging, and second oxygen intake converges with waste water/sludge inlet
After be connected in overcritical water oxidization reactor；
5) evaporative crystallization unit: including bottom surge tank and multi-stage evaporator；
6) heat reuse unit: the hot fluid that the high-temperature steam outlet of overcritical water oxidization reactor connects the heat exchanger enters
Mouthful；
7) gas-liquid separation unit: including gas-liquid separator, the hot fluid outlet ports of the heat exchanger connect gas-liquid separator；
8) UTILIZATION OF VESIDUAL HEAT IN unit: the steam (vapor) outlet of gas-liquid separation unit connects steam reclamation set.
2. a kind of using coal, organic matter as the waste water of raw material, method for sludge treatment, characterized by the following steps:
1) material pre-processes: will pass through after mixing that weight fraction ratio is the coal of 5-10:10-20:70-85, organic matter, highly concentrated waste liquid
Cross broken, grinding, the coal organic matter mixing liquid that quenched rear formation is uniformly mixed；
2) liquid pressure increasing heat-exchanging: after pretreated coal organic matter mixing liquid is supercharged to 22-30Mpa by the first booster pump
It is delivered to heat exchanger, waste water/sludge is delivered to supercritical water oxidation after being supercharged to 22-30Mpa by the second booster pump
Device；
3) electric heating: before supercritical water oxidation igniting, heating coal organic matter mixing liquid using electric heater,
Electric heater stops heating after stable reaction；
4) oxygen supply: liquid oxygen is after liquid oxygen storage tank, liquid oxygen booster pump, air temperature heat exchanger, oxygen surge tank are sequentially connected in series and super
The first oxygen intake, the second oxygen intake of critical oxidation reactor are connected, and the first oxygen intake flow and coal organic matter are mixed
Conjunction fluid flow is chain, and the second oxygen intake flow and waste water/mud discharge are chain, guarantees that oxygen supply amount is mixed for coal organic matter
Close liquid, 1-3 times that waste water/sludge material complete oxidation is CO2 and water oxygen demand；
5) supercritical water oxidation: using the evaporation wall type overcritical water oxidization reactor of multilayer torch firing structure burner, first
The oxygen and coal organic matter mixing liquid of oxygen intake are sprayed from internal layer, first the fast reaction shape in overcritical water oxidization reactor
At supercritical water hot flame, while the oxygen of the second oxygen intake and waste water/sludge are sprayed into from outer layer, are held in supercritical water hot flame
Continue quick oxidation reaction；
6) evaporative crystallization: the high-temp liquid of the bottom discharge of overcritical water oxidization reactor is gasified by partially liq after decompression,
Remaining dope carries out multistage evaporation using gasification steam, and salt is finally discharged in the form of solid salt；
7) exchange heat: the thermal fluid inlet of the high-temperature steam outlet connection heat exchanger of overcritical water oxidization reactor, utilization are overcritical
400-500 DEG C of high-temperature steam of water oxidation reaction output carries out the heating of coal/organic matter mixing liquid, to guarantee entire reaction
From progress is maintained, the cold fluid outlet temperature of heat exchanger is controlled at 200-300 DEG C；
8) gas-liquid separation: the high-temperature steam that overcritical water oxidization reactor comes out forms gas-liquid two-phase fluid after heat exchange, should
Gas-liquid two-phase fluid passes through the available steam of gas-liquid separator and hot water, can carry out UTILIZATION OF VESIDUAL HEAT IN；
9) UTILIZATION OF VESIDUAL HEAT IN: according to the quality of steam and quantity of output, can carry out generating electricity/for heat utilization.
3. according to claim 2 using coal, organic matter as the waste water of raw material, method for sludge treatment, it is characterised in that: described to have
Machine object is one or more kinds of combinations of biomass, petroleum, organic solution or organic solvent.
4. according to claim 2 using coal, organic matter as the waste water of raw material, method for sludge treatment, it is characterised in that: described pre-
The coal for coal organic matter mixing liquid that treated and the mass content of organic matter are 2%-75%.
5. according to claim 2 using coal, organic matter as the waste water of raw material, method for sludge treatment, it is characterised in that: described super
Critical oxidation reactor is the evaporation wall type reactor of multilayer torch firing structure.
6. according to claim 2 using coal, organic matter as the waste water of raw material, method for sludge treatment, it is characterised in that: described super
At 375-600 DEG C, liquid outlet is controlled at 100-350 DEG C for the gas outlet temperature control of critical oxidation reactor.
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Cited By (6)
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| CN111019712A (en) * | 2019-12-19 | 2020-04-17 | 清华大学 | Supercritical water-coal gas making device and system |
| CN111732085A (en) * | 2020-05-14 | 2020-10-02 | 中冶南方工程技术有限公司 | Acid sludge and waste acid integrated recovery device and process |
| CN112479342A (en) * | 2020-11-05 | 2021-03-12 | 海南大学 | Supercritical water organic sewage treatment system and sewage treatment method thereof |
| CN112628767A (en) * | 2020-12-08 | 2021-04-09 | 浙江吉成新材股份有限公司 | high-COD concentrated solution closed treatment system and method |
| CN114811612A (en) * | 2022-04-29 | 2022-07-29 | 西安交通大学 | Supercritical hydrothermal combustion treatment system for organic waste liquid and safety guarantee method |
| CN115180709A (en) * | 2022-07-06 | 2022-10-14 | 深圳市华尔信环保科技有限公司 | Oil recovery waste water treatment and supercritical multi-element thermal fluid generation system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111019712A (en) * | 2019-12-19 | 2020-04-17 | 清华大学 | Supercritical water-coal gas making device and system |
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| CN112628767A (en) * | 2020-12-08 | 2021-04-09 | 浙江吉成新材股份有限公司 | high-COD concentrated solution closed treatment system and method |
| CN114811612A (en) * | 2022-04-29 | 2022-07-29 | 西安交通大学 | Supercritical hydrothermal combustion treatment system for organic waste liquid and safety guarantee method |
| CN114811612B (en) * | 2022-04-29 | 2023-02-28 | 西安交通大学 | Supercritical hydrothermal combustion treatment system for organic waste liquid and safety guarantee method |
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| CN115180709B (en) * | 2022-07-06 | 2023-08-22 | 深圳市华尔信环保科技有限公司 | Oil extraction wastewater treatment and supercritical multi-element hot fluid generation system |
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